• (British) IPA: /ˈməː.kjʊ.ɹi/
• (America) enPR: mûr'kūrē, IPA: /ˈmɝkjəɹi/

mercury

1. A metal.
   1. A silvery-colored, toxic, metallic chemical element, liquid at room temperature, with atomic number 80 and symbol Hg. [from 14th c.]

      Synonyms: azoth, hydrargyrum, quicksilver

   2. (science, historical) One of the elemental principles formerly thought to be present in all metals. [from 15th c.]
   3. (with definite article) Ambient pressure or temperature (from the use of mercury in barometers and thermometers). [from 17th c.]

      The mercury there has averaged 37.6°C, 2.3°C above the February norm.

   4. (obsolete) Liveliness, volatility. [17th-18th c.]

      • He was so full of mercury that he could not fix long in any friendship, or to any design.

2. Any of several types of plant#Noun|plant.
   1. An annual plant, annual mercury (Mercurialis annua), formerly grown for its medicinal properties; French mercury, herb mercury. [from 14th c.]

      Synonyms: mercurial

      • 1653, Nicholas Culpeper, The English Physician Enlarged, Folio Society 2007, p. 188:

        Towards the tops of the stalks and branches come forth at every joint in the male Mercury two small round green heads, standing together upon a short footstalk, which growing ripe are the seeds, not having any flower.

   2. Any plant of any species of the genus and the genus Mercurialis.
   3. A similar edible plant, Blitum bonus-henricus, otherwise known as English mercury or allgood. [from 15th c.]
   4. (US, regional) The poison oak or poison ivy. [from 18th c.]

• mercaptan
• Mercury

• French: mercure, vif-argent
• German: Quecksilber
• Italian: mercurio
• Portuguese: mercúrio
• Russian: ртуть
• Spanish: mercurio, azogue

• German: Bingelkraut
• Italian: mercorella
• Russian: проле́сник

• (America) IPA: /ˈmɝkjəɹi/

1. (astronomy) The planet in the solar system with the closest orbit to the Sun, named after the god; represented by ☿.
2. (Roman god) The Roman god associated with speed, sometimes used as a messenger. He wore winged sandals. Mercury corresponded to the Greek god Hermes.

• French: Mercure
• German: Merkur
• Italian: Mercurio
• Portuguese: Mercúrio
• Russian: Мерку́рий
• Spanish: Mercurio

• French: Mercure
• German: Merkur
• Italian: Mercurio
• Portuguese: Mercúrio
• Russian: Мерку́рий
• Spanish: Mercurio

mercury (plural Mercuries)

1. (dated) A carrier of tidings; a newsboy; a messenger.
2. (dated) A newspaper.
   • 18, Thomas Babington Macaulay, chapter 21, in The History of England from the Accession of James the Second, volume (please specify ), London: Longman, Brown, Green, and Longmans, OCLC 1069526323 ↗: